Fix issues with azureML images for ubuntu2204 (jammy)

[colearendt]

• Missing openssh client

Expected
    <bool>: false
to equal
    <bool>: true
    ```
- bad libssl check

Package: libssl1.0.0: installed:
Expected
: false
to equal
: true

- mlflow package not installed

Command: /opt/R/3.5.3/bin/R --slave -e 'library()' | cut -f 1 -d ' ' | grep -v '^Packages$' | grep -v '^$': stdout: patterns not found: [mlflow]

[ianpittwood]

Just tagging onto this, there may be another possible issue with VS Code in the Azure ML image since I just encountered it with Workbench for GCW. code-server now does cross-origin checks and won't launch behind the GCW Workstation proxy. I'm not as familiar with how Azure ML is setup in its environment, but it seems like it could be an issue anywhere we try to spin up a Workbench container behind another service.

Example of what we're getting in GCW when we try to launch VS Code:

[2023-06-23T19:36:11.670Z] debug host "localhost:80" does not match origin "80-workstation-lj8ypj22.cluster-qq2nsyizsnhkksfpere36vh65o.cloudworkstations.dev"; blocking request to /stable-704ed70d4fd1c6bd6342c436f1ede30d1cff4710?reconnectionToken=07478307-3250-49d0-a766-efbdaff25795&reconnection=false&skipWebSocketFrames=false